<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script type="text/javascript" src="/js/vue.js"></script>
</head>

<body>

    <div id="app">{{message}}</div>
</body>

</html>

<script type="text/javascript">
    Vue.config.productionTip = false  //阻止 vue 在启动时生成生产提示。

    var vm = new Vue({
        el: "#app",
        data: {
            message: "hhm"
        }
    })
</script>